first thing to do is remove the grill across the top, remove the screw at top of control panel, push up and remove ,, change the fuse just inside ,, you can take that one to a local hardware store and pick one up ,, be sure to unplug the m/w before getting into it / thanks

please send me the model number from inside the door area and i will get your answers without lieing to you haha

i did not know this was a oven/microwave ,,, to kill the power to this unit you will have to kill the breaker to the oven and then take the scews out from the control panel and pull out and replace the fuse

i would at this point call a repairman ,,, you dont want to get into the hi-voltage part of the unit .. it will most likely be the door latch switches or one of the themostats ,,, read this and you will see why you dont want to get into it any deeper /

Consumer Product Safety Commission

Electrocution Hazard with Do-It-Yourself Repairs of Microwave Ovens

CPSC Document #5061

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The U. S. Consumer Product Safety Commission (CPSC) warns against do-it-yourself repairs of microwave ovens. Each year, on average, four people die from electrocution trying to repair their microwave ovens. Microwave ovens use high voltage which makes it particularly hazardous for consumers to remove the cover and touch electrical parts. The possibility for electrical shock from a microwave oven still exists even after the oven is disconnected from the power source. Should certain internal devices fail, even unplugged ovens can cause serious injury.

The Commission strongly recommends that consumers have professionals repair microwave ovens because electrical appliances can be hazardous if consumers expose live electrical parts.

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/!\ WARNING

ELECTROCUTION HAZARD
HIGH VOLTAGE

Removing the cover of your microwave oven and touching an electrical part can kill you.

Have a professional repair your microvave oven.